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Khalili Collection. A modern astrolabe made in Tabriz, Iran in 2013. An astrolabe ( Greek: ἀστρολάβος astrolábos, 'star-taker'; Arabic: ٱلأَسْطُرلاب al-Asṭurlāb; Persian: ستارهیاب Setāreyāb) is an astronomical instrument dating to ancient times. It serves as a star chart and physical model of ...
Jul 1, 2024 · astrolabe, any of a type of early scientific instrument used for reckoning time and for observational purposes. One widely employed variety, the planispheric astrolabe, enabled astronomers to calculate the position of the Sun and prominent stars with respect to both the horizon and the meridian.
Aug 31, 2023 · The astrolabe is an astronomical instrument used from around the 6th century to measure time and position by determining the altitude of heavenly bodies like...
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The astrolabe is a type of scientific instrument used many years ago that was used to calculate time and for observation purposes. A widely elaborated variety of this instrument, the planisphere astrolabe, allowed astronomers to calculate the position of the sun and stars with respect to both the horizon and the meridian.
astrolabe, Type of early scientific instrument used for reckoning time and for observational purposes. Astrolabes can be traced to the 6th century ad; they came into wide use in Europe and the Islamic world in the early Middle Ages and were adopted by mariners by the mid-15th century.
Dec 29, 2023 · How to Determine an Object's Height Using Your Astrolabe. Here are two ways to use your astrolabe to determine the height of an object. Without Trigonometry. Walk away from your object to be measured until your view through the sight vane shows a 45° measurement on the astrolabe. Measure the height of the astrolabe above the ground.
Jun 11, 2018 · The astrolabe is an ancient astronomical instrument, dating back more than 2,000 years, used to observe the positions of the stars. With modifications it has also been used for time-keeping, navigation, and surveying. Astrolabes depict the visual reference points of stars on the night sky as a function of time.
Sep 27, 2009 · An astrolabe is an ancient tool used in solving problems that involve time and the position of the Sun and stars. Astrolabes can be used in timekeeping, surveying, geography, and astronomy to...
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